Reposted Mark Purser's discussion.

This is an open discussion, many of you are Social Media connoisseurs, I'm interested to know, from your perspective, what are the common features that make a Social Network fly?

Perhaps it is a great niche idea? Or maybe they were the first to implement groovy functionality? Or perhaps they just got lucky? Or maybe it is a symphony of multiple factors. There's a few experts here, I'd love to know your thoughts, feel free to share links to example sites as well.
My ideas are in the comments! 

Comments
    • I think privacy is huge!!! People now in these days depend so much on social media, quick and easy functiality, control with their own accounts and much more. Notifications are huge these days! :)

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